Home / 836,238,040.43-1,254,088,518.91-275,873,905.28

Finding the Fourth Proportional to 836,238,040.43, 1,254,088,518.91 and 275,873,905.28

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Solution

The fourth proportional to 836,238,040.43, 1,254,088,518.91 and 275,873,905.28 is: 413,722,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,238,040.43 : 1,254,088,518.91 = 275,873,905.28 : x
  2. Step 2: Convert to fraction form
    836,238,040.43/1,254,088,518.91 = 275,873,905.28/x
  3. Step 3: Cross multiply
    836,238,040.43x = 1,254,088,518.91 × 275,873,905.28
  4. Step 4: Simplify right side
    836,238,040.43x = 345,970,297,280,958,400
  5. Step 5: Solve for x
    x = 345,970,297,280,958,400/836,238,040.43
  6. Step 6: Final answer
    x = 413,722,266.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.